from tkinter import *

print('Введите начальную координату X:')
X = int(input())
print('Введите начальную координату Y:')
Y = int(input())
print('Введите коффициент увеличения N:')
N = int(input())

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 20, 0, 20]

if N == 0 and X >=0 and X <= 500 and Y >= 0 and Y <= 500:
    pass
else:
    if N > 0 and 0 * N + X >= 0 and 0 * N + Y >= 0 and 20 * N + X <= 500 and 20 *N + Y <= 500:
        pass
    else:
        if N < 0 and 20 * N + X >= 0 and 20 * N + X >= 0 and 0 * N + X <= 500 and 0 *N + Y <= 500:
            pass
        else:
            print('Размер фигуры превышает максимальный размер поля')
            exit()

root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")

canvas = Canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)

canvas.create_polygon(coords[0] * N + X, coords[1] * N + X,
                      coords[2] * N + X, coords[3] * N + X,
                      coords[4] * N + X, coords[5] * N + X,
                      coords[6] * N + X, coords[7] * N + X,
                      coords[8] * N + X, coords[9] * N + X,
                      coords[10] * N + X, coords[11] * N + X)

root.mainloop()
